1 #ifndef __OF_PCI_H 2 #define __OF_PCI_H 3 4 #include <linux/pci.h> 5 #include <linux/msi.h> 6 7 struct pci_dev; 8 struct of_phandle_args; 9 struct device_node; 10 11 #ifdef CONFIG_OF 12 int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq); 13 struct device_node *of_pci_find_child_device(struct device_node *parent, 14 unsigned int devfn); 15 int of_pci_get_devfn(struct device_node *np); 16 int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin); 17 int of_pci_parse_bus_range(struct device_node *node, struct resource *res); 18 #else 19 static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq) 20 { 21 return 0; 22 } 23 24 static inline struct device_node *of_pci_find_child_device(struct device_node *parent, 25 unsigned int devfn) 26 { 27 return NULL; 28 } 29 30 static inline int of_pci_get_devfn(struct device_node *np) 31 { 32 return -EINVAL; 33 } 34 35 static inline int 36 of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin) 37 { 38 return 0; 39 } 40 41 static inline int 42 of_pci_parse_bus_range(struct device_node *node, struct resource *res) 43 { 44 return -EINVAL; 45 } 46 #endif 47 48 #if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI) 49 int of_pci_msi_chip_add(struct msi_chip *chip); 50 void of_pci_msi_chip_remove(struct msi_chip *chip); 51 struct msi_chip *of_pci_find_msi_chip_by_node(struct device_node *of_node); 52 #else 53 static inline int of_pci_msi_chip_add(struct msi_chip *chip) { return -EINVAL; } 54 static inline void of_pci_msi_chip_remove(struct msi_chip *chip) { } 55 static inline struct msi_chip * 56 of_pci_find_msi_chip_by_node(struct device_node *of_node) { return NULL; } 57 #endif 58 59 #endif 60